/*
 * SonarQube
 * Copyright (C) 2009-2023 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.api.batch.fs.internal.predicates;

import java.util.Collections;
import javax.annotation.Nullable;
import org.sonar.api.batch.fs.FileSystem.Index;
import org.sonar.api.batch.fs.InputFile;
import org.sonar.api.utils.PathUtils;

/**
 * @since 4.2
 */
public class RelativePathPredicate extends AbstractFilePredicate {

  @Nullable
  private final String path;

  RelativePathPredicate(String path) {
    this.path = PathUtils.sanitize(path);
  }

  public String path() {
    return path;
  }

  @Override
  public boolean apply(InputFile f) {
    if (path == null) {
      return false;
    }

    return path.equals(f.relativePath());
  }

  @Override
  public Iterable<InputFile> get(Index index) {
    if (path != null) {
      InputFile f = index.inputFile(this.path);
      if (f != null) {
        return Collections.singletonList(f);
      }
    }
    return Collections.emptyList();
  }

  @Override
  public int priority() {
    return USE_INDEX;
  }

}
